Tompkins; Charles M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Tompkins; Charles M..The latest application filed is for "subsurface safety valve and method of actuation".
- Tompkins; Charles M. - Tulsa OK US
| Patent | Date |
|---|---|
| Subsurface safety valve and method of actuation Grant 8,393,386 - Lake , et al. March 12, 2 | 2013-03-12 |
| Subsurface Safety Valve And Method Of Actuation App 20110120727 - Lake; Gary B. ; et al. | 2011-05-26 |
| Methods And Apparatus For Monitoring Components Of Downhole Tools App 20080257548 - Shaw; Brian S. ; et al. | 2008-10-23 |
| Methods and apparatus for monitoring components of downhole tools App 20060157240 - Shaw; Brian S. ; et al. | 2006-07-20 |
| Electro-hydraulic surface controlled subsurface safety valve actuator Grant 6,269,874 - Rawson , et al. August 7, 2 | 2001-08-07 |
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